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Are Artesian Aquifers an Endless Source of Water?

Dialogues économiques
What do the Sahara Desert and Paris’ 16th arrondissement have in common? Both are located above a somewhat unusual water table: when you dig a hole in it, the water gushes out all on its own! The economists Hubert Stahn and Agnes Tomini examine this astonishing geological phenomenon in which the number of open wells does not impact the quantity of water in the water table, but rather the pressure that compresses its volume.
January 04th 2023

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  • Dialogues économiques

The True Price of CO₂

In 2024, a grim record was set: it was the hottest year ever recorded on Earth. The signs of climate upheaval are now visible to all, as global warming manifests itself in a rapid rise in extreme weather events. In theory, the solution is straightforward: we must stop burning fossil fuels. In practice, phasing out energy sources so firmly entrenched in contemporary societies is an immense challenge. To reduce CO₂ emissions, economists — trained in cost–benefit analysis — can help policymakers design strategies that are both effective and socially acceptable.
December 10th 2025
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Healers are easy targets

Only in French- An op-ed by Daniel Ventosa-Santaulària (CIDE), visiting professor at Aix-Marseille School of Economics, published in La Provence.
December 04th 2025
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How did taxpayers react to the reform of the wealth tax at the beginning of Macron’s presidency?

Only in French - An article in Sciences Humaines magazine focusing on the thesis of Ségal Le Guern-Herry (amU, AMSE)
December 01st 2025